The calculated distance (air line) between T’ongch’ŏn-ŭp and Hongwŏn is approximately 74 miles respectively 119 kilometers.
By car or train, the actual journey to Hongwŏn is certainly longer, as only the direct route (as the crow flies) between T’ongch’ŏn-ŭp and Hongwŏn has been calculated here.
Air line (approximately)
119 kilometers
64 nautical miles